git: tcp: Add sack_flags for SACK related operations

[Sepherosa Ziehau <sephe@xxxxxxxxxxxxxxxxxxxxxxx>]

commit c7e6499a1827f4ee1521adb892f3ea33c282d5ba
Author: Sepherosa Ziehau <sephe@dragonflybsd.org>
Date:   Thu May 10 15:30:58 2012 +0800

    tcp: Add sack_flags for SACK related operations
    
    This saves us 4 bits in the crowded t_flags

Summary of changes:
 sys/netinet/tcp_input.c |   29 ++++++++++++++++-------------
 sys/netinet/tcp_sack.c  |   18 ++++++++++--------
 sys/netinet/tcp_timer.c |    2 +-
 sys/netinet/tcp_var.h   |   14 ++++++++++----
 4 files changed, 37 insertions(+), 26 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/c7e6499a1827f4ee1521adb892f3ea33c282d5ba


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